Used Harbinger AB Carver Pro W Knee Pads Ab Roller Exercise Wheel Black Dirty end cap and grip. Abrasion resistant nylon knee panel 36:Khaki Abrasion resistant nylon knee panel water resistant hoodie with Ventrix™ dynamic venting insulation Ventrix™ is the next evolution of synthetic insulation technology Designed for highly aerobic activity in variable weather conditions Slim Fit Lightweight Ultra wide ab roller with built in resistance and ergonomic handles to help maximize results of ab roll out exercises Interior kinetic engine uses a carbon steel spring to provide resistance and amplify abdominal and arm workout Ultra wide wheel tread offers stability when carving left right or center for targeted work on obliques Ergonomic hand grips are angled to activate arm and core muscles handles are removable for easy storage and transport Includes high density foam kneepad for superior comfort